Always.
You would never capitalize a word because of the comma. Onlt capitalize it if it's a word that is always capitalized like France, I, Tuesday or Frederick.
If you are writing something with a title, you would capitalize Happy Holiday Season in the title. If you are writing it in something other than a title, you would not capitalize it.
In a list, you would typically capitalize the first word of each item, proper nouns, and the first word after a colon if it introduces a complete sentence.
If you are using it in a title.......... How I Spent My Summer Vacation.
yes if it is a letter it would be capitalized
I would capitalize all of them. Catch Me If You Can.
You would capitalize that word however you use it.
No, because its a continent but you would capitalize central america
In normal use, you would not capitalize it. It there are specific instances when it is used as a title that it would be correct to capitalize it. The Catholic Missionary Church was located in Nairobi.
Only if animal is proper noun. For instance, you would capitalize Chris Carter's nickname Animal and you would capitalize Animal from The Muppet Show. You wouldn't capitalize stuffed animal, it's not a proper noun.
no
No
You would capitalize it only if you are referring to a specific community college.
You would not capitalize it. cotton gin
You would capitalize it if it's part of a name. "We stopped at the inn" would not be capitalized, but "We stopped at Comfort Inn" would.
Talking about an unidentified chief I would not capitalize the word, but if I was using it as a title of a specific person, such as Chief Wiggum, I would capitalize it.
Yes, you would capitalize Twitter, since it is a proper noun. All proper nouns are capitalized.